- African Association of Zoos and Aquaria (PAAZAB) - Represents the interests and concerns of zoos in Africa by promoting cooperative practice in animal husbandry, welfare, conservation, research and education.
- American Association of Zoo Keepers - An interactive resource with information about the zoo world, zoo keeping profession and conservation of plant and animal ecosystems.
- American Association of Zoo Veterinarians - Membership information, position openings, Journal of Zoo and Wildlife Medicine.
- Aquarium and Zoo Facilities Association - The purpose of the AZFA is to encourage the exchange of ideas with respect to the construction and maintenance of facilities for zoos, wildlife parks and aquariums worldwide. Includes organization description, membership information, and conservation projects.
- Association of Zoological Horticulture - Dedicated to the advancement of zoo horticulture in zoological parks, gardens and aquariums. Includes membership and board information and helpful links.
- Association of Zoos and Aquariums - Founded in 1924, the Association of Zoos and Aquariums (AZA) is a nonprofit organization that accredits zoos and aquariums that have met rigorous standards for animal care, education, wildlife conservation and science. Includes membership information and list of publications.
- Australasian Regional Association of Zoological Parks and Aquaria - The collective professional association of the zoos and aquariums of Australia, New Zealand and Papua New Guinea, maintaining the Australasian Species Management Program.
- Australasian Society of Zoo Keeping - A professional association dedicated to the captive husbandry and conservation of wild animals in the Australasian region, and the further development of zoo keeping as a profession. Offers resources on careers, membership, meetings, conservation and contacts.
- British and Irish Association of Zoos and Aquariums (BIAZA) - Information about conservation, animal care, education, and legislation.
- Canadian Association of Zoos and Aquariums - A non-profit organization established to promote the welfare of and encourage the advancement and improvement of zoology, recreation, education, conservation and science.
- Deutsche Tierpark Gesellschaft - German association of smaller zoos, with member directory.
- European Association of Zoo and Wildlife Veterinarians - Promotes the advancement of veterinary knowledge and skill in the field of zoo and wild animals, improves the husbandry of zoo animals and the management of wild animals populations, and contributes to the comradeship amongst its members.
- European Association of Zoos and Aquaria - Promotes co-operation for furthering wildlife conservation, particularly through European Endangered Species Programmes (EEP). Includes list of members and EEPs.
- European Union of Aquarium Curators - Includes news, history, organization, and events.
- Iberian Association of Zoos and Aquaria (AIZA) - Promotes cooperation among Spanish and Portuguese zoos and aquaria to help develop critical educational and conservationist functions. Purpose, membership list with links, and news.
- International Zoo Educators Association - IZEA is a professional association dedicated to expanding the educational impact of zoos and aquariums worldwide, to enhance the understanding of conservation issues and to share information on effective informal education methods.
- Japanese Association of Zoos and Aquariums (JAZA) - Represents 95 zoos and 68 aquariums. Find history, membership overview, and projects.
- South East Asian Zoos Association - Helps members to educate the public about conservation and actively supports the ex-situ and in-situ conservation of populations of endangered species and their habitat, especially from the South East Asian region.
- World Association of Zoos and Aquariums - Membership includes 172 leading zoological institutions and 17 regional/national zoo associations working together to conserve species, promote animal welfare, and educate the public. Conservation information, news and events, and member descriptions and links.
